Pent Library: Pages & Upsells vs Rivulet
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 4, 2026 for Pent Library, Oct 13, 2026 for Rivulet.
The short answer
- Both list a free plan. Paid plans start at $20/month for Pent Library and $9/month for Rivulet.
- Pent Library lists 25 features Rivulet’s listing doesn’t mention, including 404 pages, A/B testing, Blogs.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Branding editor
- · Library updates
- · Page template previews
- · Start with sections that fits the brand
- · Up to 2 installed sections
Full Access
- · Cart drawers & upsells
- · Page templates & branding editor
- · Priority support
- · Product add-ons & build-your-own bundles
- · Quantity discounts & gifts with purchase
- · Unlimited installed sections
Free
- · 3 generations per month
- · Brand style matching
- · Desktop + mobile screenshots
- · Download as .liquid file
Builder
- · 15 generations per month
- · 3 iterations per section
- · Brand style matching
- · Download as .liquid file
- · Push to theme
Pro
- · 50 generations per month
- · Brand style matching
- · Download as .liquid file
- · Push to theme
- · Unlimited iterations
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBuild a storefront that feels like your brand. Browse theme sections and page templates, then customize colors and fonts. Add product recommendations, build-your-own bundles, quantity discounts, gifts with purchase and cart upsells. Preview layouts before installing and finish setup in Shopify’s theme editor. Templates use your section allowance; home pages use guided setup. Selling tools require Grow or Full Access.
Rivulet uses AI to turn design screenshots into complete Shopify theme sections. Upload a screenshot, describe what you need, and get a Liquid section with responsive CSS, editable settings, and schema - ready for your theme. Every section includes customizable colors, fonts, and content through the theme editor. Brand style settings ensure consistent output across all sections.
- Boost conversions with sections inspired by top-performing stores
- Fully customizable to fit your brand
- Explore new components added each month to enhance design and functionality
- Build faster and better with our library of pre-built theme sections
- Screenshot to section - upload any design and get a complete Liquid section
- Brand style matching - auto-detects your theme's fonts, colors, and breakpoints
- Push to theme - add generated sections directly to your active theme
- Iterate with feedback - refine sections with natural language instructions
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Pent Library |  Rivulet |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Pent Library | Rivulet |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 10 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Pent Library | Rivulet |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $20/month | $9/month(ahead) |
| Longest free trial | 7 days | Not listed |
| Plans listed | 2 | 3 |
Listing
| Measure | Pent Library | Rivulet |
|---|---|---|
| Shopify category rank | #81(ahead) | #112 |
| Shopify App Charts | #6 on Pricing moves in Page builder | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jan 10, 2025 | May 8, 2026 |
| Languages | 1 | 1 |
| Developer | Pent | JC Creative |
FAQ
Pent Library and Rivulet: common questions
- Is Pent Library or Rivulet cheaper?
- Both list a free plan. Paid plans start at $20/month for Pent Library and $9/month for Rivulet. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Pent Library lists 25 the others don’t mention, such as 404 pages, A/B testing, Blogs, Bulk editing. Rivulet lists 1 the others don’t mention, such as AI generation. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 4, 2026 for Pent Library, Oct 13, 2026 for Rivulet; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 4, 2026 for Pent Library, Oct 13, 2026 for Rivulet. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.